659539782 has 48 divisors (see below), whose sum is σ = 1571852880. Its totient is φ = 199853280.

The previous prime is 659539781. The next prime is 659539807. The reversal of 659539782 is 287935956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659539781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10194 + ... + 37722.

It is an arithmetic number, because the mean of its divisors is an integer number (32746935).

Almost surely, 2^659539782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659539782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785926440).

659539782 is an abundant number, since it is smaller than the sum of its proper divisors (912313098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659539782 is a wasteful number, since it uses less digits than its factorization.

659539782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570 (or 27545 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 659539782 is about 25681.5066146829. The cubic root of 659539782 is about 870.4563519417.

The spelling of 659539782 in words is "six hundred fifty-nine million, five hundred thirty-nine thousand, seven hundred eighty-two".